A - Human Necessities – 47 – C
Patent
A - Human Necessities
47
C
360/11
A47C 23/00 (2006.01) A47C 23/04 (2006.01)
Patent
CA 1118117
Abstract of the Disclosure A grid structure for engaging and supporting a plurality of coil springs in predetermined spatial relationships so that spring units and completed box spring foundation units can be pro- duced having different numbers of coil springs and consequently different degrees of firmness. The grids are constructed in sizes approximating the dimensions of standard size box spring foundation units, and are formed from longitudinally and transversely exten- ding groups of wires defining a plurality of generally rectangular seats arranged in rows and columns. The top coils of different numbers of coil springs can be engaged with and retained on selec- ted seats in each row to provide the desired degree of firmness of the completed unit. The top coils are restrained against longitu- dinal and transverse shifting movement relative to their seats and the dimensions of the seats and top coils are such that the top coils can be mounted closely adjacent to each other without over- lapping. Adjacent top coils are separated by only one longitudi- nally extending wire of the grid.
335924
Meredith & Finlayson
Spiller Spring Company
LandOfFree
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